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Posted to reviews@spark.apache.org by "wangyum (via GitHub)" <gi...@apache.org> on 2024/03/20 04:12:51 UTC
[PR] [SPARK-47471][SQL] Support order-insensitive lateral column alias [spark]
wangyum opened a new pull request, #45598:
URL: https://github.com/apache/spark/pull/45598
### What changes were proposed in this pull request?
This PR makes it support order-insensitive lateral column alias. For example:
```sql
SELECT base_salary + bonus AS total_salary, salary AS base_salary
FROM employee
```
### Why are the changes needed?
At least Teradata supports this case.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Unit test.
### Was this patch authored or co-authored using generative AI tooling?
No.
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Re: [PR] [SPARK-47471][SQL] Support order-insensitive lateral column alias [spark]
Posted by "wangyum (via GitHub)" <gi...@apache.org>.
wangyum commented on PR #45598:
URL: https://github.com/apache/spark/pull/45598#issuecomment-2008635661
cc @cloud-fan
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